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Interaction of two-dimensional transverse jet with a supersonic mainstreamThe interaction of a two dimensional sonic jet injected transversely into a confined main flow was studied. The main flow consisted of air at a Mach number of 2.9. The effects of varying the jet parameters on the flow field were examined using surface pressure and composition data. Also, the downstream flow field was examined using static pressure, pitot pressure, and composition profile data. The jet parameters varied were gapwidth, jet static pressure, and injectant species of either helium or nitrogen. The values of the jet parameters used were 0.039, 0.056, and 0.109 cm for the gapwidth and 5, 10, and 20 for the jet to mainstream static pressure ratios. The features of the flow field produced by the mixing and interaction of the jet with the mainstream were related to the jet momentum. The data were used to demonstrate the validity of an existing two dimensional elliptic flow code.
Document ID
19840012424
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Kraemer, G. O. (Old Dominion Univ. Norfolk, VA, United States)
Tiwari, S. N. (Old Dominion Univ. Norfolk, VA, United States)
Date Acquired
September 4, 2013
Publication Date
December 1, 1983
Subject Category
Aerodynamics
Report/Patent Number
NAS 1.26:175446
NASA-CR-175446
Report Number: NAS 1.26:175446
Report Number: NASA-CR-175446
Accession Number
84N20492
Funding Number(s)
CONTRACT_GRANT: NGR-47-003-052
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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